Re: [Xen-devel] [PATCH] raisin: disable stubdoms and etherboot in xen

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Mon, 16 Nov 2015, George Dunlap wrote:
> On Thu, Nov 12, 2015 at 4:12 PM, Stefano Stabellini
> <stefano.stabellini@xxxxxxxxxxxxx> wrote:
> > Raisin is about cloning (or downloading) components explicitly and
> > independently, rather than having the Xen build system clone and build
> > stuff as part of the build process.
> >
> > Unfortunately it is not possible to build stubdoms outside the Xen tree
> > today, so just disable stubdoms for the moment.
> >
> > Similarly etherboot support requires downloading ipxe, so remove it for
> > now.
> 
> So apart from stub domains, what does qemu-trad buy us over qemu-upstream now?

Nothing, but it is useful to keep running VMs which are already running
under qemu-trad. I don't think we support live-migrating from qemu-trad
to QEMU.


> Also, would it make sense to make it possible to build with a system
> ipxe?  That's what CentOS does, FWIW.

Sure, please send a patch :-)

 
> >
> > With this patch, building Xen via Raisin doesn't fetch anything from the
> > web, aside from what is configure in the config file.
> >
> > Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
> >
> > ---
> >
> > diff --git a/components/xen b/components/xen
> > index 090cceb..894d119 100644
> > --- a/components/xen
> > +++ b/components/xen
> > @@ -42,10 +42,13 @@ function xen_build() {
> >      then
> >          ovmf_opt="--enable-ovmf 
> > --with-system-ovmf="$BASEDIR"/ovmf-dir/ovmf.bin"
> >      fi
> > +    export ETHERBOOT_NICS=""
> >      ./configure --prefix=$PREFIX 
> > --with-system-qemu=$PREFIX/lib/xen/bin/qemu-system-i386 \
> > -        --disable-qemu-traditional --enable-rombios $seabios_opt $ovmf_opt
> > +        --disable-stubdom --disable-qemu-traditional \
> > +        --enable-rombios $seabios_opt $ovmf_opt
> >      $RAISIN_MAKE
> >      $RAISIN_MAKE install DESTDIR="$INST_DIR"
> > +    unset ETHERBOOT_NICS
> >      cd "$BASEDIR"
> >  }
> >
> > _______________________________________________
> > Xen-devel mailing list
> > Xen-devel@xxxxxxxxxxxxx
> > http://lists.xen.org/xen-devel
> 

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